Semi-wave voltage test method and device for Y-waveguide modulator
A technology of waveguide modulator and half-wave voltage, which is applied in the direction of steering induction equipment, etc., can solve the problems of unstable measurement, low precision, and complicated testing process, and achieve the effect of high-precision automatic measurement
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[0016] The measuring device of the present invention is composed of a micro-processing system 1 , a dedicated circuit 2 , an optical fiber coupler 9 , an optical fiber ring 18 , and a device to be measured 12 . Microprocessing system 1 undertakes the work of testing process control and result display and recording, which can be a computer, a single-chip microcomputer or other microprocessing systems with the above functions. In this example, a computer is used; special circuit 2 includes SLD and drive circuit 4 , detector and preamplifier circuit 5 and digital signal generation circuit 6, interface, control and signal acquisition circuit 3, these parts are packaged together with the power supply and installed in a special box; SLD and drive circuit 4 provide a wide spectrum for the system The stable light source, SLD is an outsourced product, and the drive circuit is also a general circuit; the detector and the preamplifier circuit 5 are realized by a detector assembly with a p...
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